Effects of superconductivity on elastic constants of La2-xSrxCuO4

M. Nohara; S. Nishigori; T. Suzuki; Y. Maeno; T. Fujita; I. Tanaka; H. Kojima

doi:10.1016/0921-4526(94)91583-0

Effects of superconductivity on elastic constants of La_2-xSr_xCuO₄

M. Nohara, S. Nishigori, T. Suzuki, Y. Maeno, T. Fujita, I. Tanaka, H. Kojima

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Ultrasonic and specific-heat measurements have been performed across the superconducting transition on a single crystal of La_1.86Sr_0.14CuO₄. A pronounced jump of the elastic constant ΔC₃₃(T_c) = -0.15 GPa is observed at T_c = 34 K as well as a specific-heat jump Δc_p/T_c = 9.6 mJ/K²mol, whereas a jump in C₁₁ is less obvious. The results allow quantitative estimation of the strain dependence of T_c and the condensation energy along the a and c axes.

Original language	English
Pages (from-to)	2167-2168
Number of pages	2
Journal	Physica B: Physics of Condensed Matter
Volume	194-196
Issue number	PART 2
DOIs	https://doi.org/10.1016/0921-4526(94)91583-0
Publication status	Published - Feb 2 1994
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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title = "Effects of superconductivity on elastic constants of La2-xSrxCuO4",

abstract = "Ultrasonic and specific-heat measurements have been performed across the superconducting transition on a single crystal of La1.86Sr0.14CuO4. A pronounced jump of the elastic constant ΔC33(Tc) = -0.15 GPa is observed at Tc = 34 K as well as a specific-heat jump Δcp/Tc = 9.6 mJ/K2mol, whereas a jump in C11 is less obvious. The results allow quantitative estimation of the strain dependence of Tc and the condensation energy along the a and c axes.",

author = "M. Nohara and S. Nishigori and T. Suzuki and Y. Maeno and T. Fujita and I. Tanaka and H. Kojima",

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T1 - Effects of superconductivity on elastic constants of La2-xSrxCuO4

AU - Nohara, M.

AU - Nishigori, S.

AU - Suzuki, T.

AU - Maeno, Y.

AU - Fujita, T.

AU - Tanaka, I.

AU - Kojima, H.

PY - 1994/2/2

Y1 - 1994/2/2

N2 - Ultrasonic and specific-heat measurements have been performed across the superconducting transition on a single crystal of La1.86Sr0.14CuO4. A pronounced jump of the elastic constant ΔC33(Tc) = -0.15 GPa is observed at Tc = 34 K as well as a specific-heat jump Δcp/Tc = 9.6 mJ/K2mol, whereas a jump in C11 is less obvious. The results allow quantitative estimation of the strain dependence of Tc and the condensation energy along the a and c axes.

AB - Ultrasonic and specific-heat measurements have been performed across the superconducting transition on a single crystal of La1.86Sr0.14CuO4. A pronounced jump of the elastic constant ΔC33(Tc) = -0.15 GPa is observed at Tc = 34 K as well as a specific-heat jump Δcp/Tc = 9.6 mJ/K2mol, whereas a jump in C11 is less obvious. The results allow quantitative estimation of the strain dependence of Tc and the condensation energy along the a and c axes.

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JO - Physica B: Physics of Condensed Matter

JF - Physica B: Physics of Condensed Matter

IS - PART 2

ER -

Effects of superconductivity on elastic constants of La_2-xSr_xCuO₄

Abstract

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